@keyframes floating {
    from {
        transform: translateY(0px);
    }

    65% {
        transform: translateY(15px);
    }

    to {
        transform: translateY(0px);
    }
}

html {
    height: 100%;
}

body {
    background-image: url("../images/star.svg"), linear-gradient(to bottom, #05007A, #4D007D);
    height: 100%;
    margin: 0;
    background-attachment: fixed;
    overflow: hidden;
}

.mars {
    left: 0;
    right: 0;
    bottom: 0;
    position: absolute;
    height: 27vmin;
    background: url("../images/mars.svg") no-repeat bottom center;
    background-size: cover;
}

.logo-404 {
    position: absolute;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
    top: 16vmin;
    width: 30vmin;
}

@media (max-width: 480px) and (min-width: 320px) {
    .logo-404 {
        top: 45vmin;
    }
}

.meteor {
    position: absolute;
    right: 2vmin;
    top: 16vmin;
}

.title {
    position: relative;
    z-index: 2;
    color: white;
    font-family: "Nunito", sans-serif;
    font-weight: 600;
    text-align: center;
    font-size: 5vmin;
    margin-top: 31vmin;
}

@media (max-width: 480px) and (min-width: 320px) {
    .title {
        margin-top: 65vmin;
    }
}

.subtitle {
    position: relative;
    z-index: 2;
    color: white;
    font-family: "Nunito", sans-serif;
    font-weight: 400;
    text-align: center;
    font-size: 3.5vmin;
    margin-top: -1vmin;
    margin-bottom: 9vmin;
}

.btn-back {
    position: relative;
    z-index: 2;
    border: 1px solid white;
    color: white;
    height: 5vmin;
    padding: 12px;
    font-family: "Nunito", sans-serif;
    text-decoration: none;
    border-radius: 5px;
}

.btn-back:hover {
    background: white;
    color: #4D007D;
}

@media (max-width: 480px) and (min-width: 320px) {
    .btn-back {
        font-size: 3.5vmin;
    }
}

.astronaut {
    position: absolute;
    z-index: 1;
    top: 18vmin;
    left: 10vmin;
    height: 30vmin;
    animation: floating 3s infinite ease-in-out;
}

@media (max-width: 480px) and (min-width: 320px) {
    .astronaut {
        top: 2vmin;
    }
}

.spaceship {
    position: absolute;
    z-index: 1;
    bottom: 15vmin;
    right: 24vmin;
}

@media (max-width: 480px) and (min-width: 320px) {
    .spaceship {
        width: 45vmin;
        bottom: 18vmin;
    }
}